(a) Estimate the activation energy for creep (Qc) for the S-590 alloy having the steady-state creep behavior shown in Figure 8.33. Use data taken at a stress level of 300 MPa (43,500 psi) and...

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(a) Estimate the activation energy for creep (Qc) for the S-590 alloy having the steady-state creep behavior shown in Figure 8.33. Use data taken at a stress level of 300 MPa (43,500 psi) and temperatures of 650°C

and 730°C. Assume that the stress exponent n is independent of temperature.

(b) Estimate 𝜀˙s at 600°C (873 K) and 300 MPa.

Answered 111 days After May 18, 2022

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Aditi answered on Sep 07 2022

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(a) Estimate the activation energy for creep (Qc) for the S-590 alloy having the steady-state creep behavior shown in Figure 8.33. Use data taken at a stress level of 300 MPa (43,500 psi) and...

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